| 摘要 |
PCT No. PCT/SU86/00085 Sec. 371 Date May 11, 1988 Sec. 102(e) Date May 11, 1988 PCT Filed Sep. 16, 1986 PCT Pub. No. WO88/01894 PCT Pub. Date Mar. 24, 1988.A contact-and-separating element of a vortex tray of liquid-gas mass-transfer apparatus comprises a nozzle (1). At least one annular row of holes (2) is provided at the inlet end of the nozzle. Accommodated inside the nozzle (1) is an axial swirler (3) having at least two inclined vanes (5). A separator (9) is provided at the outlet end of the nozzle (1). Located in front of each inclined vane (15) of the swirler (3) on the side of the nozzle inlet end is an additional rib (6) arranged straightwise along the nozzle (1) axis. In addition, there is provided at least one intermediate rib (7) interposed between each pair of the straight ribs (6). The annular row of holes (2) is located in the zone where the straight and intermediate ribs (6,7) are situated.
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